GB897621A - Acoustical diaphragm - Google Patents
Acoustical diaphragmInfo
- Publication number
- GB897621A GB897621A GB33210/60A GB3321060A GB897621A GB 897621 A GB897621 A GB 897621A GB 33210/60 A GB33210/60 A GB 33210/60A GB 3321060 A GB3321060 A GB 3321060A GB 897621 A GB897621 A GB 897621A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- acoustical diaphragm
- acoustical
- stiffen
- diaphragms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
897,621. Diaphragms. RADIO CORPORATION OF AMERICA. Sept. 27, 1960 [Oct. 29, 1959], No. 33210/60. Drawings to Specification. Class 40 (4). A diaphragm, intended particularly for use in a miniature loud-speaker or a microphone, comprises at least one thin sheet of material having protuberances arranged randomly and asymmetrically in clusters thereon, in order to stiffen the material without defining nodes of vibration therein.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US849627A US3073411A (en) | 1959-10-29 | 1959-10-29 | Acoustical apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB897621A true GB897621A (en) | 1962-05-30 |
Family
ID=25306156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB33210/60A Expired GB897621A (en) | 1959-10-29 | 1960-09-27 | Acoustical diaphragm |
Country Status (5)
Country | Link |
---|---|
US (1) | US3073411A (en) |
CH (1) | CH402075A (en) |
ES (1) | ES262057A1 (en) |
GB (1) | GB897621A (en) |
NL (1) | NL257376A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2036394A1 (en) * | 2006-06-29 | 2009-03-18 | LG Electronics, Inc. | Speaker |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS518732U (en) * | 1974-07-05 | 1976-01-22 | ||
JPS51163935U (en) * | 1975-06-18 | 1976-12-27 | ||
JPS51163934U (en) * | 1975-06-18 | 1976-12-27 | ||
US4013846A (en) * | 1975-08-28 | 1977-03-22 | Minnesota Mining And Manufacturing Company | Piston loudspeaker |
EP0083045B1 (en) * | 1981-12-24 | 1985-11-21 | Eckehard Kort | Magnetic system with annular air-gap, in particular for woofers |
US5181252A (en) * | 1987-12-28 | 1993-01-19 | Bose Corporation | High compliance headphone driving |
CA2023142A1 (en) * | 1989-08-23 | 1991-02-24 | Roman Sapiejewski | High compliance headphone driving |
US6104825A (en) * | 1997-08-27 | 2000-08-15 | Eminent Technology Incorporated | Planar magnetic transducer with distortion compensating diaphragm |
US6929091B2 (en) * | 2002-10-28 | 2005-08-16 | Sound Advance Systems, Inc. | Planar diaphragm loudspeaker and related methods |
US8571227B2 (en) | 2005-11-11 | 2013-10-29 | Phitek Systems Limited | Noise cancellation earphone |
JP2009153103A (en) * | 2007-10-02 | 2009-07-09 | Phitek Systems Ltd | Component for noise reducing earphone |
US20090307730A1 (en) * | 2008-05-29 | 2009-12-10 | Mark Donaldson | Media enhancement module |
US20110002474A1 (en) * | 2009-01-29 | 2011-01-06 | Graeme Colin Fuller | Active Noise Reduction System Control |
EP2226902A3 (en) * | 2009-03-06 | 2013-03-13 | Phitek Systems Limited | In-flight entertainment system connector |
US20110075331A1 (en) * | 2009-05-04 | 2011-03-31 | Nigel Greig | Media Player Holder |
US20110188668A1 (en) * | 2009-09-23 | 2011-08-04 | Mark Donaldson | Media delivery system |
US9818394B2 (en) * | 2009-11-30 | 2017-11-14 | Graeme Colin Fuller | Realisation of controller transfer function for active noise cancellation |
CN102939691B (en) | 2010-05-17 | 2015-08-05 | 泰雷兹航空电子公司 | Airline passenger seat modular user interface device |
EP2471710A1 (en) | 2010-11-15 | 2012-07-04 | Nigel Greig | Media distribution system |
CN103748903B (en) | 2011-06-01 | 2017-02-22 | 菲泰克系统有限公司 | In-ear device incorporating active noise reduction |
US10034086B2 (en) | 2013-03-26 | 2018-07-24 | Bose Corporation | Headset porting |
US9628917B2 (en) | 2014-07-23 | 2017-04-18 | Bose Corporation | Sound producing system |
USD789911S1 (en) * | 2016-03-14 | 2017-06-20 | Chris J. Katopis | Earbud |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1097499A (en) * | 1914-05-19 | Lucy A Young | Method of making acoustic diaphragms. | |
US728382A (en) * | 1899-05-23 | 1903-05-19 | John C English | Diaphragm for machines for recording of reproducing sound or speech. |
US1118345A (en) * | 1913-08-07 | 1914-11-24 | Harry W Hess | Sound-box for talking-machines. |
US1763780A (en) * | 1926-06-18 | 1930-06-17 | Samuel W Hatton | Acoustic diaphragm |
US1917309A (en) * | 1931-04-10 | 1933-07-11 | Siemens Ag | Diaphragm for acoustic apparatus |
US2531634A (en) * | 1945-01-11 | 1950-11-28 | Athol E N Lawrance | Acoustical diaphragm with stiffening means |
GB726780A (en) * | 1952-01-19 | 1955-03-23 | Cole E K Ltd | Improvements in or relating to sound producing diaphragms |
-
0
- NL NL257376D patent/NL257376A/xx unknown
-
1959
- 1959-10-29 US US849627A patent/US3073411A/en not_active Expired - Lifetime
-
1960
- 1960-09-27 GB GB33210/60A patent/GB897621A/en not_active Expired
- 1960-10-18 CH CH1167060A patent/CH402075A/en unknown
- 1960-10-28 ES ES0262057A patent/ES262057A1/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2036394A1 (en) * | 2006-06-29 | 2009-03-18 | LG Electronics, Inc. | Speaker |
EP2036394A4 (en) * | 2006-06-29 | 2013-05-22 | Lg Electronics Inc | Speaker |
Also Published As
Publication number | Publication date |
---|---|
ES262057A1 (en) | 1960-12-16 |
NL257376A (en) | |
CH402075A (en) | 1965-11-15 |
US3073411A (en) | 1963-01-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB897621A (en) | Acoustical diaphragm | |
GB863659A (en) | Improvements in and relating to electro-acoustic transducers | |
GB885501A (en) | Improvements in or relating to loud speaker constructions | |
GB705100A (en) | Improvements in telephone instruments and microphones of the moving coil type | |
GB1471300A (en) | Diaphragm for electroacoustic transducer | |
GB869234A (en) | Transducer and vibratory diaphragm | |
GB876428A (en) | Improvements in or relating to loudspeaker diaphragms | |
GB854851A (en) | Improvements in or relating to loudspeakers | |
GB853256A (en) | Improvements in or relating to loudspeaker diaphragms | |
JPS644199A (en) | Electrostatic speaker | |
GB793546A (en) | Improvements in or relating to microphones | |
GB1248121A (en) | Diaphragms for loudspeakers | |
JPS57129095A (en) | Piezoelectric loudspeaker | |
GB857413A (en) | Improvements in or relating to cone loudspeakers | |
JPS5229724A (en) | Speaker dome diaphragm | |
JPS53133018A (en) | Coaxial type speaker | |
JPS5330803A (en) | Voice communication system | |
JPS5299809A (en) | Flat speaker | |
GB934995A (en) | Improvements in loudspeakers | |
GB842234A (en) | Loud-speaker systems | |
JPS55147900A (en) | Ultra-thin speaker | |
GB876427A (en) | Improvements in or relating to loudspeaker diaphragms | |
JPS5439624A (en) | Diaphragm for speakers | |
JPS5349424A (en) | Dome speaker | |
FR2338616A1 (en) | High fidelity loudspeaker system - has coaxial loudspeakers acoustically in-phase and in common enclosure |